general secretary gorbachev, if you seek peace, if you seek prosperity for the soviet union and eastern europe, come to this gate. mr. gorbachev, open this gate. mr. gorbachev, tear down this wall. [applause] host: why was that speech so important to his presidency? guest: that was vintage reagan. reagan going to the heart of the matter, using plain language. anyone could understand it. what he regarded was the moral issue involved, but it coexisted with this desire to find a peaceful path to coexistence. we do not know to this day -- we may never know all of the influences, all of the factors that shape the reagan's attitude, evolving attitude towards the soviet union. i would not underestimate the role of nancy reagan, who was the ultimate protector about his legacy and who wanted that legacy to include the role of peacemaker. host: as the head of the reagan library, you had a chance to sit down with former president ronald reagan in the early 1990's. how did he reflect on this time in office? what do you remember in your conversations with him? guest: he loved to tell stories. he did not te